Merge branch 'model-reorg'

diff --combined lib/Gitalist/Controller/Root.pm
index 025a8fe,44a5a8d..289c9e6
--- 1/lib/Gitalist/Controller/Root.pm
--- 2/lib/Gitalist/Controller/Root.pm
+++ b/lib/Gitalist/Controller/Root.pm
@@@ -90,7 -90,7 +90,7 @@@ sub index :Path :Args(0) 
      my ( $self, $c ) = @_;
      $c->detach($c->req->param('a')) if $c->req->param('a');
  
-     my $list = $c->model()->list_projects;
+     my $list = $c->model()->projects;
      unless(@$list) {
          die "No projects found in ". $c->model->repo_dir;
      }
@@@ -111,20 -111,19 +111,21 @@@ A summary of what's happening in the re
  sub summary : Local {
    my ( $self, $c ) = @_;
    my $project = $c->stash->{Project};
+   $c->detach('error_404') unless $project;
    my $commit = $self->_get_commit($c);
 +  my @heads  = $project->heads;
 +  my $maxitems = Gitalist->config->{paging}{summary} || 10;
    $c->stash(
      commit    => $commit,
      info      => $project->info,
      log_lines => [$project->list_revs(
          sha1 => $commit->sha1,
 -        count => Gitalist->config->{paging}{summary} || 10
 +        count => $maxitems,
      )],
      refs      => $project->references,
 -    heads     => [$project->heads],
 +    heads     => [ @heads[0 .. $maxitems] ],
      action    => 'summary',
 -);
 +  );
  }
  
  =head2 heads
@@@ -458,10 -457,9 +459,9 @@@ sub header 
    }
  
    $c->stash->{version}     = $Gitalist::VERSION;
-   $c->stash->{git_version} = $c->model('GitRepos')->run_cmd('--version');
+   # check git's version by running it on the first project in the list.
    $c->stash->{title}       = $title;
  
-   #$c->stash->{baseurl} = $ENV{PATH_INFO} && uri_escape($base_url);
    $c->stash->{stylesheet} = $c->config->{stylesheet} || 'gitweb.css';
  
    $c->stash->{project} = $project;
@@@ -514,16 -512,23 +514,23 @@@
      home_link_str => $c->config->{home_link_str},
      );
  
-   if(defined $project) {
+   if (defined $project) {
+       eval {
+           $c->stash(Project => $c->model('GitRepos')->project($project));
+       };
+       if ($@) {
+           $c->detach('error_404');
+       }
        $c->stash(
            search_text => ( $c->req->param('s') ||
                                 $c->req->param('searchtext') || ''),
            search_hash => ( $c->req->param('hb') || $c->req->param('hashbase')
                                 || $c->req->param('h')  || $c->req->param('hash')
                                     || 'HEAD' ),
-           Project => $c->model('GitRepos')->project($project),
        );
    }
+   my $a_project = $c->stash->{Project} || $c->model()->projects->[0];
+   $c->stash->{git_version} = $a_project->run_cmd('--version');
  }
  
  # Formally git_footer_html